Bug 33483: Make KohaTable accept customizable actions button

Bug 33483: Make KohaTable accept customizable actions button

We have hardcoded some buttons: edit, delete
But we could need specific buttons.

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Pedro Amorim <pedro.amorim@ptfs-europe.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 9d1fe4591c5271bbce6d72169cb47ef17f332e10)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>